From patchwork Fri Dec 23 12:52:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kemeng Shi X-Patchwork-Id: 13080666 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0E7FC4332F for ; Fri, 23 Dec 2022 04:53:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229627AbiLWExi (ORCPT ); Thu, 22 Dec 2022 23:53:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229667AbiLWExd (ORCPT ); Thu, 22 Dec 2022 23:53:33 -0500 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32B98BC19; Thu, 22 Dec 2022 20:53:31 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.153]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4NdZZF6Hlbz4f3p1W; Fri, 23 Dec 2022 12:53:25 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.124.27]) by APP4 (Coremail) with SMTP id gCh0CgDXjbFHNKVjpOduAQ--.93S2; Fri, 23 Dec 2022 12:53:28 +0800 (CST) From: Kemeng Shi To: axboe@kernel.dk, dwagner@suse.de, hare@suse.de, ming.lei@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Cc: hch@lst.de, john.garry@huawei.com, shikemeng@huaweicloud.com Subject: [PATCH 00/13] A few bugfix and cleanup patches for blk-mq Date: Fri, 23 Dec 2022 20:52:10 +0800 Message-Id: <20221223125223.1687670-1-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-CM-TRANSID: gCh0CgDXjbFHNKVjpOduAQ--.93S2 X-Coremail-Antispam: 1UD129KBjvJXoW7uF1xXF4fKry7XFWDAF1DZFb_yoW8Jw4kpF 43GFnxGa1fJry2qr1fAw47AF9avF4kGrW7JwnxC34rJr4DCryUJrWkWa1fZry0yFZxCanr WF18Xw1YkF1Iqa7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvj14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2jI8I6cxK62vIxIIY0VWUZVW8XwA2ocxC64kIII 0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xv wVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7 xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8v x2IErcIFxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFyl IxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxV AFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2z280aVAFwI0_ Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjTRNg AwUUUUU X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, this series contain several bugfix patches to fix potential io hung and a few cleanup patches to remove stale codes and unnecessary check. Most changes are in request issue and dispatch path. Thanks. Kemeng Shi (13): blk-mq: avoid sleep in blk_mq_alloc_request_hctx blk-mq: remove stale comment for blk_mq_sched_mark_restart_hctx blk-mq: wait on correct sbitmap_queue in blk_mq_mark_tag_wait blk-mq: Fix potential io hung for shared sbitmap per tagset blk-mq: remove unnecessary list_empty check in blk_mq_try_issue_list_directly blk-mq: remove unncessary error count and flush in blk_mq_plug_issue_direct blk-mq: remove error count and unncessary flush in blk_mq_try_issue_list_directly blk-mq: simplify flush check in blk_mq_dispatch_rq_list blk-mq: remove unnecessary error count and check in blk_mq_dispatch_rq_list blk-mq: remove set bd->last when get driver tag for next request fails blk-mq: remove unncessary from_schedule parameter in blk_mq_plug_issue_direct blk-mq: use switch/case to improve readability in blk_mq_try_issue_list_directly blk-mq: correct stale comment of .get_budget block/blk-mq-sched.c | 7 ++- block/blk-mq.c | 103 ++++++++++++++++++------------------------- 2 files changed, 46 insertions(+), 64 deletions(-)